3.7volt 18650 Rechargeable Battery Lithium 3.7 Volt Flat top for flashlights and headlamp etc Blue

[Wide Application]18*65 ba compatible with ,digital , small fans,etc. Helps you quickly wake up your devices at any time [High Performance]Long lasting 12000mAh ba is with large capacity which supports stable power for your devices and effectively prevent damage of the devices, such a perfect replacement ba for used devices with high frequency [Multi-Protection]This ba is without any memory effect and provide multiple protections,including short circuit, overcharge, and overcurrent protection. Perfect for making the ba more stable and secure to protect your device [Warm Tips]Please charge completely before first use. As much as possible, please don't to let the ba power all depleted to protect the ba from being over discharged. Proper use can make the ba healthier and extend its life.syi